First, the nutrients are complete and the sub-components are few. Not only the total nutrient content of the compound fertilizer is high, but also the types of nutrients are relatively large. Generally speaking, the compound fertilizer contains two or more nutrients, which are essential nutrients for crops. The nutrients necessary for crops containing nitrogen, phosphorus, calcium, magnesium, sulfur, iron, manganese, copper, zinc, boron, molybdenum and chlorine can meet the needs of crops for various nutrients. At the same time, because the compound fertilizer has few sub-components, it generally does not contain any useless sub-components, and has no toxic effect on the crop soil, which can reduce or even eliminate the adverse effects caused by the sub-components.
Second, the physical and chemical properties are good, the nutrients are released evenly, the fertilizer effect is stable and long, and it is easy to apply. After the compound fertilizer is granulated, the dissolution rate of the fertilizer is reduced, the loss caused by the leaching, permeation, volatilization and denitrification of the fertilizer is greatly reduced, the fertilizer efficiency is prolonged, and the storage, transportation and application are convenient, and the mechanized fertilization is particularly convenient. At the same time, the adverse properties such as corrosiveness, hygroscopicity and volatility of the simple fertilizer are also improved, the fertilizer is not easy to agglomerate, and the utilization rate of the fertilizer is improved.
Third, the popularity of compound fertilizer is conducive to the realization of scientific fertilization. At present, the quality of science and technology of most farmers in China is still relatively low. It is still quite difficult to implement the scientific fertilization of soil testing formula. Through the promotion and application of compound fertilizer, it can change the bad habit of partial application of nitrogen fertilizer, avoid waste of nitrogen resources and environmental pollution, and play an important role in balancing fertilization, improving fertilizer utilization rate and promoting high yield and stable yield of crops.
Second, the physical and chemical properties are good, the nutrients are released evenly, the fertilizer effect is stable and long, and it is easy to apply. After the compound fertilizer is granulated, the dissolution rate of the fertilizer is reduced, the loss caused by the leaching, permeation, volatilization and denitrification of the fertilizer is greatly reduced, the fertilizer efficiency is prolonged, and the storage, transportation and application are convenient, and the mechanized fertilization is particularly convenient. At the same time, the adverse properties such as corrosiveness, hygroscopicity and volatility of the simple fertilizer are also improved, the fertilizer is not easy to agglomerate, and the utilization rate of the fertilizer is improved.
Third, the popularity of compound fertilizer is conducive to the realization of scientific fertilization. At present, the quality of science and technology of most farmers in China is still relatively low. It is still quite difficult to implement the scientific fertilization of soil testing formula. Through the promotion and application of compound fertilizer, it can change the bad habit of partial application of nitrogen fertilizer, avoid waste of nitrogen resources and environmental pollution, and play an important role in balancing fertilization, improving fertilizer utilization rate and promoting high yield and stable yield of crops.
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